Answer:
The answer is B: Two children pulling apart a wishbone
Explanation:
Edge2020!
 
        
                    
             
        
        
        
Answer:
Apple tree 
Explanation:
because it produces apples and we eat them 
 
        
                    
             
        
        
        
Answer: Option B. 
Explanation:
The first experiment of the passage shows that treatment with TGFBR1 and TGFBR2 antagonists led to lower levels of epithelial cell production. For this conclusion to be strongly valid, we want to show a positive correlation between TGFBR activity and epithelial proliferation. 
 
        
             
        
        
        
The answer is; B
Sometimes winds carry the sand of the beaches causing erosion. The fences act as breakers of this wind erosion. As wind tries to carry the sand, they encounter the fence and 'break'. Therefore, the sand is deposited along the fence forming a sand dune. These dunes also form protection from storm surges. 
 
        
             
        
        
        
The object is balanced against standard units of mass